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APTRANSCO Sub Engineer Electrical Model Questions

 

APTRANSCO Sub Engineer 2012 Sample Questions – Electrical

1. The form factor for sinusoidal waveform is

1) 1 .00 2) 1.11 3) 1.732 4) 2.2

2. The rotor resistance and reactance of a three-phase induction motor is 0.2 ohm and 2 ohm respectively.  The per unit slip corresponding to maximum torque is equal to

1)  9.02 2) 0 .01 3) 0.1 4) 0.2

3. Load factor is defined as the ratio of

1) Average power demand to maximum power deamand

2) Minimum power demand to maximum power deamand

3) Maxi mum power demand to minimum power deamand

4) Average power demand to minimum power deamand

4. The unit of luminous flu x is

1)  lux 2)  candle power 3)  metre cancle      4)  lumen

5. For 1 32 KV transmission line, the insulators commonly used are

1)  Strain type    2) Pint type     3) Suspension type   4) Shackle type

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Jun
9
2012
 
 
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